<div class="loader">
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
</div>

<div class="loader loader--reflect">
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
  <div class="bar"></div>
</div>
<style>
/* From Uiverse.io by Pradeepsaranbishnoi - Tags: loader */
/* The loader container */
.loader {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 100px;
  margin-top: -100px;
  margin-left: -100px;
  perspective: 1000px;
  transform-style: preserv3d;
}

.loader--reflect {
  margin-top: 0;
}

.loader--reflect:after {
  content: '';
  position: absolute;
  top: 0;
  left: -25%;
  width: 150%;
  height: 110%;
  background: linear-gradient(0deg, rgba(238, 238, 238, 1), rgba(238, 238, 238, 1) 20%, rgba(238, 238, 238, 0.3));
}


/* The bar */
.bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 100px;
  background-color: #1e3f57;
  transform: scaleY(0);
  transform-style: preserve3d;
  animation: bar 3s cubic-bezier(.81,.04,.4,.7) infinite;
}

.bar:nth-child(2) {
  left: 20px;
  background-color: #264a63;
  animation-delay: 50ms;
}

.bar:nth-child(3) {
  left: 40px;
  background-color: #2d566f;
  animation-delay: 100ms;
}

.bar:nth-child(4) {
  left: 60px;
  background-color: #35617a;
  animation-delay: 150ms;
}

.bar:nth-child(5) {
  left: 80px;
  background-color: #3d6d86;
  animation-delay: 200ms;
}

.bar:nth-child(6) {
  left: 100px;
  background-color: #447892;
  animation-delay: 250ms;
}

.bar:nth-child(7) {
  left: 120px;
  background-color: #4c849e;
  animation-delay: 300ms;
}

.bar:nth-child(8) {
  left: 140px;
  background-color: #548fa9;
  animation-delay: 350ms;
}

.bar:nth-child(9) {
  left: 160px;
  background-color: #5c9bb5;
  animation-delay: 400ms;
}

.bar:nth-child(10) {
  left: 180px;
  background-color: #63a6c1;
  animation-delay: 450ms;
}

.loader--reflect .bar {
  animation-name: bar-reflect;
}

@keyframes bar {
  0% {
    transform: rotateZ(-180deg) rotateX(-360deg);
  }

  75%,100% {
    transform: rotateZ(0) rotateX(0);
  }
}

@keyframes bar-reflect {
  0% {
    transform: rotateZ(180deg) rotateX(360deg);
  }

  75%,100% {
    transform: rotateZ(0) rotateX(0);
  }
}
</style>
